... is no more than 660VAC.2.may transfer with load. Automatic Transfer Switch (ATS) is used which operation voltage is no ... 660VAC, and may transfer with load. The ATS rated current series is40A, 63A, 80A,125A, 160A, 250A, 400A, 630A, 800A,1000A ... . IntensitySGQ and ATS as main double loop power supply and automatic transfer switch mainly used for first order load which under ...